This is my 25 inch nutball that I used in combat at the unidome this year and won a total of $62.50. It is made out of 1/2 inch pink foam and has a super tigre 400 ourtunner and a phoenix 25 amp esc and a 2200 mah 3 cell blue lipo. Servos are 9 gram tower pro. Receiver is an old hitec. I use a 3 channel transmitter. The total weght of it is 16 ounces.